Bu reduced relative clause mu participle clause mu?

Cümle şu:”Concentrated in the Weddell Sea and the Ross sea, Emperors remain in the Antarctica permanently, breeding on the ice in sone of the coldest conditions on Earth.”

bunun uzun hali

Concentrated in the Weddell Sea and the Ross sea, Emperors remain in the Antarctica permanently, which breed on the ice in sone of the coldest conditions on Earth. 

yani reduced mı yoksa

Concentrated in the Weddell Sea and the Ross sea, Emperors remain in the Antarctica permanently, they breed on the ice in sone of the coldest conditions on Earth. 

yani participle clause mu

Cümlenin öznesi Emperors.

Concentrated in the Weddell Sea and the Ross sea, Emperors remain in the Antarctica permanently, they breed on the ice in sone of the coldest conditions on Earth. ✅